[269] W. M. Sanger, “The History of Prostitution” (New York, 1859).
[270] J. Jeannel, “Prostitution in Large Towns in the Nineteenth Century, and the Abolition of Venereal Diseases.”
[271] W. Acton, “Prostitution in its Various Aspects,” second edition (London. 1874).
[272] Hügel, “The History, Statistics, and Regulation of Prostitution” (Vienna. 1865).
[273] L. Martineau, “La Prostitution Clandestine” (Paris, 1885).
[274] O. Commenge, “La Prostitution Clandestine à Paris” (Paris, 1897).
[275] V. Augagneur, “La Prostitution des Filles Mineures” (Paris, 1888).
[276] L. Fiaux, “La Police des Mœurs en France et dans les Principales Villes de l’Europe” (Paris, 1888); “Les Maisons de Tolérance, leur Fermeture,” 3me édition (Paris, 1862); “La Prostitution ‘Cloitrée’” (Brussels, 1902).
[277] Yves Guyot, “La Prostitution: Étude de Physiologie Sociale” (Paris, 1882).
[278] A. Blaschko, “The Problem of Prostitution,” published in the Berliner Klin. Wochenschrift, pp. 430-435 (1892); “Syphilis and Prostitution from the Hygienic Standpoint” (Berlin, 1893); “Hygiene of Prostitution and of Venereal Diseases” (Jena, 1900); “Prostitution in the Nineteenth Century” (Berlin, 1902); “The Dangers to Health resulting from Prostitution, and the Contest with these Dangers” (Berlin, 1904).